Final Exam Flashcards
Which NFPA® standard gives direction for establishing a driver/operator training program?
1451
In general, to what vehicular statutes, laws, and ordinances is the driver/operator subject?
All statutes, laws, and ordinances that govern any vehicle operator
What is the main purpose of the fire department pumper?
Providing water at an adequate pressure for fire streams
Which type of pumper can be used to apply fire streams to the lower floors of a building?
Pumpers with elevating water devices
An apparatus must carry at least ___ gallons (L) to be considered a mobile water supply apparatus.
1,000 gallons (4 000 L)
Wildland fire apparatus:
are lightweight, highly maneuverable vehicles that can go places inaccessible to larger apparatus.
What type of inspection begins at the driver’s door on the cab and works around the apparatus in a clockwise pattern?
Walk-around method
Which of the following terms is defined as “the distance that the pedal must be pushed before the throw-out bearing actually contacts the clutch release fingers”?
Clutch free play
On apparatus equipped with air brakes, the air pressure should build to a sufficient level to allow vehicle operations within ___ seconds of starting.
60
What is the purpose of an apparatus electrical load management system?
Preventing an overload of the vehicle’s electrical generation system
What is the function of an load sequencer?
Turning on various lights at specified intervals to prevent start-up overloading
Before placing it back in service, what should the driver/operator do any time a fire pump has been operated at draft from a static water supply?
Flush the pump and piping.
Which of the following statements about driving regulations is TRUE?
A. Fire apparatus driver/operators are exempt from rules and regulations governing other vehicle operators.
B. Emergency vehicles are exempt from laws requiring vehicles to stop for school buses that are flashing signal lights.
C. In some jurisdictions, statutes may exempt emergency vehicles from driving regulations when returning to quarters from an alarm.
D. If a driver/operator does not obey driving regulations and is involved in a collision, both the driver/operator and the fire department may be held responsible.*
The first element in learning to drive safely is to:
develop a safety-conscious attitude.
Which of the following is NOT an exception to the NFPA® 1500 seated and belted requirement?
A. When loading hose back onto a fire apparatus
B. When riding in enclosed cages on the front of a brush truck*
C. When providing patient care in the back of an ambulance
D. When performing training for personnel learning to drive a tiller
Which of the following statements about backing a fire apparatus is TRUE?
A. Whenever possible, the driver/operator should avoid backing the apparatus.*
B. It is often faster to back the apparatus than to drive around the block and start again.
C. It is safer and easier to back the apparatus than to drive around the block and start again.
D. When backing is necessary, there should be at least two firefighters assigned to communicate with the driver/operator.
What should be done if a driver/operator does not have or cannot see the spotters?
Do not back the apparatus.
Which of the following defensive driving techniques is TRUE?
A. Know the rules that govern the general public when emergency vehicles are responding with warning lights and audible devices operating.*
B. It is safe to proceed into intersections if you have tripped the traffic signals and are certain that they are in your favor.
C. When proceeding through an intersection, wait for a go-ahead signal from each of the other drivers before proceeding.
D. Rely on warning sires, lights, and signals because they are most easily distinguishable from other warning devices and street noises.
Which of the following is visual lead time?
A. The sum of the driver/operator’s reaction distance and the vehicle’s braking distance
B. The distance the vehicle travels from the time the brakes are applied until the apparatus comes to a complete stop
C. The scanning by driver/operators far enough ahead of the apparatus to ensure that evasive action can be taken if necessary*
D. The distance a vehicle travels while a driver is transferring the foot from the accelerator to the brake pedal after perceiving the need for stopping
Which of the following is reaction distance?
A. The sum of the driver/operator’s reaction distance and the vehicle’s braking distance
B. The distance the vehicle travels from the time the brakes are applied until the apparatus comes to a complete stop
C. The scanning of driver/operators far enough ahead of the apparatus to ensure that evasive action can be taken if necessary
D. The distance a vehicle travels while a driver is transferring the foot from the accelerator to the brake pedal after perceiving the need for stopping*
If the apparatus arrives at a location where no fire conditions are evident, where should the apparatus be positioned?
Near the main entrance to the occupancy
What is the first tactical priority at any fire incident?
Life safety
What size is the collapse zone?
One and one-half times the height of the building
Which of the following is NOT an indicator of imminent building collapse?
A. Bulging walls
B. Large cracks in the exterior
C. Falling bricks, blocks, or mortar
D. Old and/or poorly maintained buildings*
When are drafting operations required?
When a pumper is going to be supplied from a static water supply
What is the difference between dual pumping and tandem pumping?
In tandem pumping the pumpers are positioned closely together
The boundary between the wildland and structural development is often referred to as:
wildland/urban interface.
Which of the following is a function of the rescue/squad apparatus?
Provide extra manpower on the fire scene
Where should mobile air supply apparatus be positioned?
Far away from the command post, so that firefighters are not in the way
Where should the EMS vehicle position on incidents where there are victims requiring intervention?
In the vicinity of the triage and treatment area
Level I staging is:
used for the initial response to a fire or other incident involving more than one responding company.
Level II staging is:
used when a large number of emergency vehicles are responding to the same incident.
Which of the following statements about responding to highway operations is TRUE?
A. Driver/Operators should never turn off all warning lights.
B. The siren should be used the entire time the apparatus is responding to the scene.
C. All warning lights should be used at the scene to prevent causing another accident.
D. The use of warning lights and sirens may create traffic conditions that actually slow the fire unit’s response.*
Which hazardous materials control zone is also known as the support zone?
Cold zone
Which hazardous materials control zone is exposed to the gases, vapors, mists, dusts, or runoff of the material?
Hot zone
Which of the following statements about operating near railroads is TRUE?
A. Always treat a railroad track as a potentially active line.*
B. Only position the apparatus on the railroad tracks in emergencies.
C. Position the apparatus on the opposite side of the tracks as the incident when possible.
D. In extreme emergencies, stretch attack or supply lines across the railroad tracks.
Water is a compound of hydrogen and oxygen formed when:
two hydrogen atoms combine with one oxygen atom.
For fire protection purposes, ordinary fresh water is generally considered to weigh:
8.33 lb/gal (1kg/L)
What is specific heat?
A measure of the heat-absorbing capacity of a substance
What is a Btu?
The heat required to raise the temperature of 1 pound of water 1ºF
The latent heat of vaporization is:
The quantity of heat absorbed by a substance when it changes from a liquid to a vapor
What is viscosity?
The tendency of a liquid to possess internal resistance to flow
What is specific gravity?
The density of liquids in relation to water
Force is defined as:
a measurement directly related to the force of gravity.
Elevation is:
the center line of the pump or the bottom of a static water supply source above or below ground level.
Altitude is:
the position of an object above or below sea level.
What is water hammer?
The sudden stopping of water moving through a hose or pipe resulting in an energy surge being transmitted in the opposite direction, often at many times the original pressure
A fire hydrant that receives water from only one direction is known as a:
dead-end hydrant.
A fire hydrant that receives water from two or more directions is known as a:
looped line.
What is the function of a valve in a water distribution system?
To provide a means for controlling the flow of water through the distribution piping
What is defined as “a stream of water or other extinguishing agent after it leaves a nozzle until it reaches the desired point”?
Fire stream
Which of the following is the formula for determining the flow from a solid stream nozzle?
29.7 × d2 × √NP (0.067 × d2 × √NP)
Which of the following is defined as “the line bounding a rounded surface”?
Periphery
Which type of fog nozzle maintains approximately the same nozzle pressure and pattern even if the gallonage supplied to the nozzle changes?
Automatic nozzles
Which type of fog nozzle has a number of constant flow settings, enabling the firefighter to select a flow rate that best suits the existing conditions?
Manually adjustable nozzles
Which type of fog nozzle supplies the selected flow at the rated nozzle discharge pressure?
Manually adjustable nozzles
hich type of fog nozzle develops a fog stream with considerable forward velocity but delivers a relatively low volume of water?
High-pressure nozzles
Which type of fog nozzle serves as a pressure regulator for the pumper as lines are added or shut down, ensuring that all available water may be used continuously?
Automatic nozzles
What is the definition of a master stream?
Any fire stream that is too large to be controlled without mechanical aid
Which type of master stream nozzle is mounted on a fire apparatus deck and is connected directly to the pump by permanent piping?
Turret pipes